// The MIT License (MIT)

// Copyright (c) 2017-2020 Uber Technologies Inc.

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

package testdatagen

import (
	"testing"
	"time"

	fuzz "github.com/google/gofuzz"
)

// NewFuzzer creates a new fuzzer, notes down the deterministic seed
func New(t *testing.T, generatorFuncs ...interface{}) *fuzz.Fuzzer {
	return NewWithNilChance(t, time.Now().UnixNano(), 0.2, generatorFuncs...)
}

// NewFuzzer creates a new fuzzer, notes down the deterministic seed
func NewWithNilChance(t *testing.T, seed int64, nilchance float32, generatorFuncs ...interface{}) *fuzz.Fuzzer {
	t.Log("Fuzz Seed:", seed)
	return fuzz.NewWithSeed(seed).Funcs(generatorFuncs...).NilChance(float64(nilchance))
}
